155714Skris/* crypto/objects/obj_lib.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8280304Sjkim * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15280304Sjkim * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22280304Sjkim * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37280304Sjkim * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40280304Sjkim * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52280304Sjkim * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#include <stdio.h> 6055714Skris#include "cryptlib.h" 6155714Skris#include <openssl/lhash.h> 6255714Skris#include <openssl/objects.h> 6355714Skris#include <openssl/buffer.h> 6455714Skris 65109998SmarkmASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o) 66280304Sjkim{ 67280304Sjkim ASN1_OBJECT *r; 68280304Sjkim int i; 69280304Sjkim char *ln = NULL, *sn = NULL; 70280304Sjkim unsigned char *data = NULL; 7155714Skris 72280304Sjkim if (o == NULL) 73280304Sjkim return (NULL); 74280304Sjkim if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC)) 75280304Sjkim return ((ASN1_OBJECT *)o); /* XXX: ugh! Why? What kind of duplication 76280304Sjkim * is this??? */ 7755714Skris 78280304Sjkim r = ASN1_OBJECT_new(); 79280304Sjkim if (r == NULL) { 80280304Sjkim OBJerr(OBJ_F_OBJ_DUP, ERR_R_ASN1_LIB); 81280304Sjkim return (NULL); 82280304Sjkim } 83280304Sjkim data = OPENSSL_malloc(o->length); 84280304Sjkim if (data == NULL) 85280304Sjkim goto err; 86280304Sjkim if (o->data != NULL) 87280304Sjkim memcpy(data, o->data, o->length); 88280304Sjkim /* once data attached to object it remains const */ 89280304Sjkim r->data = data; 90280304Sjkim r->length = o->length; 91280304Sjkim r->nid = o->nid; 92280304Sjkim r->ln = r->sn = NULL; 93280304Sjkim if (o->ln != NULL) { 94280304Sjkim i = strlen(o->ln) + 1; 95280304Sjkim ln = OPENSSL_malloc(i); 96280304Sjkim if (ln == NULL) 97280304Sjkim goto err; 98280304Sjkim memcpy(ln, o->ln, i); 99280304Sjkim r->ln = ln; 100280304Sjkim } 10155714Skris 102280304Sjkim if (o->sn != NULL) { 103280304Sjkim i = strlen(o->sn) + 1; 104280304Sjkim sn = OPENSSL_malloc(i); 105280304Sjkim if (sn == NULL) 106280304Sjkim goto err; 107280304Sjkim memcpy(sn, o->sn, i); 108280304Sjkim r->sn = sn; 109280304Sjkim } 110280304Sjkim r->flags = o->flags | (ASN1_OBJECT_FLAG_DYNAMIC | 111280304Sjkim ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | 112280304Sjkim ASN1_OBJECT_FLAG_DYNAMIC_DATA); 113280304Sjkim return (r); 114280304Sjkim err: 115280304Sjkim OBJerr(OBJ_F_OBJ_DUP, ERR_R_MALLOC_FAILURE); 116280304Sjkim if (ln != NULL) 117280304Sjkim OPENSSL_free(ln); 118280304Sjkim if (sn != NULL) 119280304Sjkim OPENSSL_free(sn); 120280304Sjkim if (data != NULL) 121280304Sjkim OPENSSL_free(data); 122280304Sjkim if (r != NULL) 123280304Sjkim OPENSSL_free(r); 124280304Sjkim return (NULL); 125280304Sjkim} 12655714Skris 127109998Smarkmint OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b) 128280304Sjkim{ 129280304Sjkim int ret; 13055714Skris 131280304Sjkim ret = (a->length - b->length); 132280304Sjkim if (ret) 133280304Sjkim return (ret); 134280304Sjkim return (memcmp(a->data, b->data, a->length)); 135280304Sjkim} 136